She survived the Las Vegas shootings. Then she told her emotional story to a special Miami class.

Leah Matthews of Cincinnati recounted to the more than 50 Miami University students attending the school’s first “Stop The Bleed” class this week the bloody chaos she witnessed as a survivor of the 2017 Las Vegas country music concert massacre where a gunman killed 58 and wounded hundreds shooting from the 32nd floor of a nearby hotel.(Photo by Michael D. Clark/Journal-News)

OXFORD — Among those in Miami University’s first “Stop The Bleed” class this week was a survivor of one of America’s most horrific mass shootings: the 2017 Las Vegas massacre at which 58 died and hundreds were wounded.

Leah Matthews of Cincinnati recounted to the more than 50 Miami students in the special class, which was put on by a local chapter of Stop The Bleed organization, the bloody chaos at the Vegas country music concert as gunfire from the 32nd floor of the Mandalay Bay Resort and Casino rained down on the crowd.

“Someone on the 32nd floor changed all our lives forever,” Matthews told the students in a voice shaking at times with emotion.

The class listened intently and then an area trauma surgeon and volunteers from local Fire and EMS teams led the students through an instructional class that included some graphic, open wound photos that had one student upset enough to leave.

Miami senior Grace Chaney organized the first-time class as part as an executive board member of the university’s Anatomy and Physiology Club.

It’s needed, she told the Journal-News.

“Victims of massive and uncontrolled bleeding can die within five to 10 minutes. Many times EMS cannot arrive within that time frame,” said Chaney.